Home / 123,744.40-185,653.68-48,875.20

Finding the Fourth Proportional to 123,744.40, 185,653.68 and 48,875.20

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Solution

The fourth proportional to 123,744.40, 185,653.68 and 48,875.20 is: 73,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,744.40 : 185,653.68 = 48,875.20 : x
  2. Step 2: Convert to fraction form
    123,744.40/185,653.68 = 48,875.20/x
  3. Step 3: Cross multiply
    123,744.40x = 185,653.68 × 48,875.20
  4. Step 4: Simplify right side
    123,744.40x = 9,073,860,740.74
  5. Step 5: Solve for x
    x = 9,073,860,740.74/123,744.40
  6. Step 6: Final answer
    x = 73,327.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.